WebApp Maker make web apps (Duh). It is open source and make with python and shell. This app can take any website and turn it into an app. I highly recommend turning these few websites into webapps:
Quo is a Python based toolkit for writing Command-Line Interface(CLI) applications. Quo is making headway towards composing speedy and orderly CLI applications while forestalling any disappointments
Chameleon is yet another PowerShell obfuscation tool designed to bypass AMSI and commercial antivirus solutions. The tool has been developed as a Python port of the Chimera project, by tokioneon_.